Faulty injectors may lead to check engine light, rough idle or misfire and therefore reduce your engine performance, it is highly recommended to replace your injectors when modifying your pride and joy for more power with the latest index fuel injector made by BMW for optimal performance.
Replace your faulty injectors today and restore those lost power on your BMW 120i, 318i & 520i with the N43 engine and 330i or 530i with the N53 engine.
You will need 1 injector per cylinder of your engine. For 4 cylinder models such as the 320i, you would need to order x4 fuel injectors, while 6 cylinder models such as the 335i, you would need x6.
We highly recommend replacing all injectors at the same time, after installation, you will also need to code them, this can be done at your local BMW specialist.
You will also need a BMW injector clip for each injector you replace, this is required to install the injectors.